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1 x 214, Clear Inline Filter Cartridge Empty Case
1 x *Discontinued* RO6ALK
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x *Discontinued* RO585A
4 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x SC207, Specialty Filter Refillable Color Changing DI Filter for
2 x Special Filter Kit Koolermax dealer distribution kit
1 x DB40, DI Resin Refill Bag for DI210, RD322
2 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x MKP, Maintenance kit for K5150P K6150P AR150P
2 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
2 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
3 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
2 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 316, 2nd stage CTA 16 US Membrane filter (every 2-3 yrs)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
2 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
2 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x WS-150M, Whole House Water Softener
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x KT-103, Optional Manual Membrane Flush Valve
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 741-14, Diverter Valve for Countertop Water Units
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Dispense
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
2 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter

View Cart$8,870.09
Specials Log InCreate Account Checkout  Shopping Cart116 item(s)
1 x 214, Clear Inline Filter Cartridge Empty Case
1 x *Discontinued* RO6ALK
2 x KM701C, Special Koolermax Filter Housing Canister Casing 1/4 FPT
1 x 3150, 4th stage TFC-150 US membrane filter (every 2-3 yrs)
1 x *Discontinued* RO585A
4 x Optional: 564 Membrane Filter Housing Wrench Opener
2 x SC207, Specialty Filter Refillable Color Changing DI Filter for
2 x Special Filter Kit Koolermax dealer distribution kit
1 x DB40, DI Resin Refill Bag for DI210, RD322
2 x FK-BB20M3, Special Big Blue Filter Pack Bundle for WH350 WH-350
1 x OPTIONAL: 567 Filter Housing Wrench Case Opener WHOLE HOUSE WH
2 x Annual Filter Kit Koolermax Series KPAK-4 Sediment Carbon Block
4 x Wrench 2 pcs 566 Standard Filter Housing Opener Double Better
1 x MKP, Maintenance kit for K5150P K6150P AR150P
2 x 225UP, 5th stage Inline Alkaline upgrade (includes media)
1 x 7044-K Union Tee Connector Fitting Compression type 1/4"
1 x SC209, Specialty Filter Nitrate Removal Filter
1 x 701C, FHC1014 Filter Housing Chamber Casing Clear Color 1/4 FPT
1 x 709, Automatic Shut Off Valve 4-way Four Way Valve
2 x 399, 4th stage TFC-100 US membrane filter (every 2-3 yrs)
3 x 1070, PAE LARGE RO Storage Pressure Tank 14 GALLON 14G
2 x FPK11, High Quality Fitting and Connector 1/4" (Value-Pack)
1 x .RO260 Aquarium 300G REVERSE OSMOSIS AEROPONICS HYDROPONICS RO
1 x 316, 2nd stage CTA 16 US Membrane filter (every 2-3 yrs)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K6ALK
1 x 213, 5th stage inline carbon postfilter (replace every 12months)
1 x PSW-360 Aquatec Pressure Switch 60 psi shut off 3/8" tubing TSO
1 x O-RING RINGS FOR WH20 WHOLE HOUSE SYSTEM HOUSING BIG BLUE 20"
1 x 5th or 6th Stage IC21 inline carbon filter (every 6 to 12 mons)
1 x 318, 4th stage TFC-18 US membrane filter (replace every 2-3 yrs)
1 x 531, PAE RO Storage Pressure Osmosis Water Tank Container 3G
1 x Conversion Kit, Convert Aquarium to Drinking RO Water System
1 x KF310UP, SUBSTITUTE/Upgrade to KYTON FAUCET POLISHED CHROME FINI
2 x SV-24AC-38, KSD Solenoid Valve ESO 3/8" brass, 24V AC
1 x 733, Built-in Pressure Gauge 0 to 150 psi for Koolermax RO syste
2 x 532w, PAE RO Storage Pressure Osmosis Water Tank Container 4G
1 x .SW-1 COUNTERTOP WATER FILTER SYSTEM (WHITE HOUSING)
1 x B2010, 20" Big Blue Filter Housing Cartridge WH20 WH25 WH250
2 x SC227, Specialty Filter Refillable Color Changing DI Filter 20"
2 x MK800, Maintenance kit for AR122, AR125, HK120, RD150, RO155
1 x TMR-25A, 2.5 AMP Transformer Power Supply Ballast for 8800 5853
1 x 718TB38, Tubing, 20 feet 3/8" white LLDPE PE for drinking water
1 x 6044-K Tee Fitting Compression Type 1/4"OD 1/4" NPT
1 x 1/2" NPT Digiflow Digital Flow Meter count up total Water Gallon
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RD322
1 x CKV0402, Blue color Elbow Check Valve Elbow Type
1 x IM60, Ice Maker or RV Water Filter, Inline Typle
1 x FM-6710M-88 1" Digital Flow Meter count up Total GPM 56" cable
1 x 205, 3rd stage solid carbon block filter (replace every 12month)
1 x 324, 4th stage TFC-24 US membrane filter (replace every 2-3 yrs)
1 x 215, 5th or 6th Stage Refillable inline DI filter (color change)
1 x B1034, 10" Big Blue Filter Housing Cartridge WH5 WH10 WH1134
1 x .K6150PNTF, KoolerMax K6150P RO System Shell without tank faucet
2 x FM90, STEEL BRACKET SINGLE HOUSING MOUNTING BIG BLUE WH SYSTEM
1 x CBV-38, Tank Ball Valve to 3/8 tubing
1 x WS-150M, Whole House Water Softener
1 x TMR-220V-1A Aquatec TACS234-19 Transformer Power Supply EuroPlug
1 x NM-5103, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x 5th stage 225 Inline Alkaline filter with clear housing (annual)
1 x MK300, Maintenance kit for RO535, RO435, RO545, AR104H
1 x SET88 Aquatec 8852 AC Booster pump Solenoid ESO Pressure Switch
1 x 745, AFAN0409 Female Garden Hose / Laundry Hose Adapter
1 x UC SHELL, Honeywell UC7000 Empty System Only No Filter
1 x .AR125 Dual Outputs Aquarium & Home Drinking RO Filter System
1 x 1st stage SF05 sediment filter (replace every 6-12 months)
1 x KT-103, Optional Manual Membrane Flush Valve
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle HK120
1 x 4th stage TFC150 US membrane filter (every 2-3 yrs)M150 P/N3150
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle K5
2 x 205 2nd stage solid carbon block filter (replace every 12 month)
1 x CP-KOR24, O-RING Oring FOR KOOLERMAX MEMBRANE FILTER HOUSING
1 x 213, 5th or 6th stage inline carbon filter (replace in 12 mons)
1 x 741-14, Diverter Valve for Countertop Water Units
1 x CP-OR35+701 O-RING FOR WATERGENERAL BOTTOM FILTER HOUSING CASING
1 x B2012, 20" Long Slim Filter Cartridge Housing RO260 RD322
1 x 532wpg, PAE RO water pressure white tank bladder gauge valve 4G
1 x 718, Tubing 30 feet 1/4" white tube LLDPE PE for drinking water
1 x NM-5104, HONEYWELL COUNTERTOP WATER FILTER *DISCONTINUED* SW1
1 x PSW-260 Aquatec Pressure Switch 60 psi shut off 1/4" tubing TSO
1 x 550, Standard Chrome Steel Faucet with Spigot for Water Dispense
1 x 717, Tubing 15 feet 1/4" white tube LLDPE PE for drinking water
1 x FHP2012, 20" long Filter Cartridge Casing Housing RO260 RD322
1 x 4042-K Male Elbow Fitting Compression type(membrane housing use)
1 x WH-250, Whole House Water Treatment Sediment Carbon Filter Syste
2 x PSW-240 Aquatec Pressure Switch 40 psi shut off 1/4" tubing TSO
1 x SV-24DC-14, Solenoid Valve ESO 1/4" plastic, 24V DC
1 x CPR-150G, Pressure Regulator with Pressure Gauge (0-125 psi)
1 x Value Pack- Entire 3 Years of Replacement Filters Bundle RO155
1 x 671C, Replacement UV Lamp Light for 609C (16 Watt)
1 x PSW-2100 Aquatec Pressure Switch 100 psi shut off 1/4 tubing TSO
1 x 532b, PAE RO Water Storage Pressure Osmosis Tank Container 4G
1 x 201, 1st stage sediment filter (replace every 6-12 months)
1 x SC445, Specialty Filter SPECIAL ALKALINE FILTER Specialty Filter

View Cart$8,870.09

531, PAE RO Storage Pressure Osmosis Water Tank Container 3G [531]

$45.00

531, PAE RO Storage Pressure Osmosis Water Tank Container 3G



* 531, RO Storage Pressure Tank, 3 Gallon, for replacement of Honeywell or Filtercold small blue tank

* Specification:
White color, outside volume 2 gallons, inside bladder holds about 2 gallons @ 60 psi input pressure

* Dimension: 9" diameter, 14" height, 1/4"MPT inlet connection

* Material:
Outside is steel, inside is a FDA approved food grade bladder. Stainless steel connection on top. Purified water only come in contact with bladder and the stainless steel connector on top. The tank is pre-charged to 7 psi.

* Meets NSF standard 58.

* Tank valve is included.

* Recommended changing every 5 to 7 years



If you'd like to know more.....
A pressure tank is used in RO systems to accumulate water and provide pressure at dispensing faucet. It has a water bladder inside the tank that holds the purified water, and outside the bladder is the compressed air. When you dispense water, the compressed air squeezes the bladder and forces the water out with pressure. You can connect several tanks together also to provide more water.

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